NaBa

1) hydraulic;
Hydraulic is a topic in applied science and engineering dealing with the properties of liquids

2)pnumatic:the use of compressed air in a confined space

3) dentists chair,brakes of a transport, tractor,backhoe

4)air compressor,pistons drill,,airsoft gun

5)hydraulic systems work by using pressure in oil or other fluids

6)pneumatic systems work by using air in a confined space

7)pneumatic systems work with air and hydraulic systems work with oil